Finding the Fourth Proportional to 61,915.10, 85,444.61 and 35,061.77

Step by Step Solution

1. Step 1: Write the proportion equation
   61,915.10 : 85,444.61 = 35,061.77 : x
2. Step 2: Convert to fraction form
   61,915.10/85,444.61 = 35,061.77/x
3. Step 3: Cross multiply
   61,915.10x = 85,444.61 × 35,061.77
4. Step 4: Simplify right side
   61,915.10x = 2,995,839,301.86
5. Step 5: Solve for x
   x = 2,995,839,301.86/61,915.10
6. Step 6: Final answer
   x = 48,386.25