Finding the Fourth Proportional to 61,003.71, 91,386.39 and 42,024.99

Step by Step Solution

1. Step 1: Write the proportion equation
   61,003.71 : 91,386.39 = 42,024.99 : x
2. Step 2: Convert to fraction form
   61,003.71/91,386.39 = 42,024.99/x
3. Step 3: Cross multiply
   61,003.71x = 91,386.39 × 42,024.99
4. Step 4: Simplify right side
   61,003.71x = 3,840,512,448.89
5. Step 5: Solve for x
   x = 3,840,512,448.89/61,003.71
6. Step 6: Final answer
   x = 62,955.39