Finding the Fourth Proportional to 464,020,412.86, 696,363,067.89 and 168,914,916.12

Step by Step Solution

1. Step 1: Write the proportion equation
   464,020,412.86 : 696,363,067.89 = 168,914,916.12 : x
2. Step 2: Convert to fraction form
   464,020,412.86/696,363,067.89 = 168,914,916.12/x
3. Step 3: Cross multiply
   464,020,412.86x = 696,363,067.89 × 168,914,916.12
4. Step 4: Simplify right side
   464,020,412.86x = 117,626,109,201,705,216
5. Step 5: Solve for x
   x = 117,626,109,201,705,216/464,020,412.86
6. Step 6: Final answer
   x = 253,493,393.70