Finding the Fourth Proportional to 42,083,974.19, 58,115,994.01 and 39,791,265.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,083,974.19 : 58,115,994.01 = 39,791,265.53 : x
2. Step 2: Convert to fraction form
   42,083,974.19/58,115,994.01 = 39,791,265.53/x
3. Step 3: Cross multiply
   42,083,974.19x = 58,115,994.01 × 39,791,265.53
4. Step 4: Simplify right side
   42,083,974.19x = 2,312,508,948,801,741.50
5. Step 5: Solve for x
   x = 2,312,508,948,801,741.50/42,083,974.19
6. Step 6: Final answer
   x = 54,949,870.91