Finding the Fourth Proportional to 61,004.71, 91,387.89 and 42,025.99

Step by Step Solution

1. Step 1: Write the proportion equation
   61,004.71 : 91,387.89 = 42,025.99 : x
2. Step 2: Convert to fraction form
   61,004.71/91,387.89 = 42,025.99/x
3. Step 3: Cross multiply
   61,004.71x = 91,387.89 × 42,025.99
4. Step 4: Simplify right side
   61,004.71x = 3,840,666,551.26
5. Step 5: Solve for x
   x = 3,840,666,551.26/61,004.71
6. Step 6: Final answer
   x = 62,956.89