Finding the Fourth Proportional to 112,607, 155,359.92 and 64,859.24

Step by Step Solution

1. Step 1: Write the proportion equation
   112,607 : 155,359.92 = 64,859.24 : x
2. Step 2: Convert to fraction form
   112,607/155,359.92 = 64,859.24/x
3. Step 3: Cross multiply
   112,607x = 155,359.92 × 64,859.24
4. Step 4: Simplify right side
   112,607x = 10,076,526,337.66
5. Step 5: Solve for x
   x = 10,076,526,337.66/112,607
6. Step 6: Final answer
   x = 89,484.01