Finding the Fourth Proportional to 74,681,787.33, 111,958,785.32 and 28,656,685.17

Step by Step Solution

1. Step 1: Write the proportion equation
   74,681,787.33 : 111,958,785.32 = 28,656,685.17 : x
2. Step 2: Convert to fraction form
   74,681,787.33/111,958,785.32 = 28,656,685.17/x
3. Step 3: Cross multiply
   74,681,787.33x = 111,958,785.32 × 28,656,685.17
4. Step 4: Simplify right side
   74,681,787.33x = 3,208,367,662,787,574.50
5. Step 5: Solve for x
   x = 3,208,367,662,787,574.50/74,681,787.33
6. Step 6: Final answer
   x = 42,960,509.88