Finding the Fourth Proportional to 42,154,797.56, 58,155,807.29 and 28,220,642.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,154,797.56 : 58,155,807.29 = 28,220,642.03 : x
2. Step 2: Convert to fraction form
   42,154,797.56/58,155,807.29 = 28,220,642.03/x
3. Step 3: Cross multiply
   42,154,797.56x = 58,155,807.29 × 28,220,642.03
4. Step 4: Simplify right side
   42,154,797.56x = 1,641,194,219,501,040.50
5. Step 5: Solve for x
   x = 1,641,194,219,501,040.50/42,154,797.56
6. Step 6: Final answer
   x = 38,932,560.81