Finding the Fourth Proportional to 61,456.32, 84,811.20 and 34,599.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,456.32 : 84,811.20 = 34,599.72 : x
2. Step 2: Convert to fraction form
   61,456.32/84,811.20 = 34,599.72/x
3. Step 3: Cross multiply
   61,456.32x = 84,811.20 × 34,599.72
4. Step 4: Simplify right side
   61,456.32x = 2,934,443,772.86
5. Step 5: Solve for x
   x = 2,934,443,772.86/61,456.32
6. Step 6: Final answer
   x = 47,748.45