Finding the Fourth Proportional to 112,915.10, 155,822.52 and 64,532.04

Step by Step Solution

1. Step 1: Write the proportion equation
   112,915.10 : 155,822.52 = 64,532.04 : x
2. Step 2: Convert to fraction form
   112,915.10/155,822.52 = 64,532.04/x
3. Step 3: Cross multiply
   112,915.10x = 155,822.52 × 64,532.04
4. Step 4: Simplify right side
   112,915.10x = 10,055,545,627.70
5. Step 5: Solve for x
   x = 10,055,545,627.70/112,915.10
6. Step 6: Final answer
   x = 89,054.04