Finding the Fourth Proportional to 112,152.55, 154,773.98 and 64,415.47

Step by Step Solution

1. Step 1: Write the proportion equation
   112,152.55 : 154,773.98 = 64,415.47 : x
2. Step 2: Convert to fraction form
   112,152.55/154,773.98 = 64,415.47/x
3. Step 3: Cross multiply
   112,152.55x = 154,773.98 × 64,415.47
4. Step 4: Simplify right side
   112,152.55x = 9,969,838,665.47
5. Step 5: Solve for x
   x = 9,969,838,665.47/112,152.55
6. Step 6: Final answer
   x = 88,895.34