Finding the Fourth Proportional to 2,585,824,667.90, 3,878,737,053.10 and 620,677,746.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585,824,667.90 : 3,878,737,053.10 = 620,677,746.44 : x
2. Step 2: Convert to fraction form
   2,585,824,667.90/3,878,737,053.10 = 620,677,746.44/x
3. Step 3: Cross multiply
   2,585,824,667.90x = 3,878,737,053.10 × 620,677,746.44
4. Step 4: Simplify right side
   2,585,824,667.90x = 2,407,445,773,151,434,752
5. Step 5: Solve for x
   x = 2,407,445,773,151,434,752/2,585,824,667.90
6. Step 6: Final answer
   x = 931,016,631.96