Finding the Fourth Proportional to 42,154,810.29, 58,155,824.83 and 28,220,654.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,154,810.29 : 58,155,824.83 = 28,220,654.75 : x
2. Step 2: Convert to fraction form
   42,154,810.29/58,155,824.83 = 28,220,654.75/x
3. Step 3: Cross multiply
   42,154,810.29x = 58,155,824.83 × 28,220,654.75
4. Step 4: Simplify right side
   42,154,810.29x = 1,641,195,454,409,572.75
5. Step 5: Solve for x
   x = 1,641,195,454,409,572.75/42,154,810.29
6. Step 6: Final answer
   x = 38,932,578.35