Finding the Fourth Proportional to 112,953.52, 155,874.38 and 64,554.90

Step by Step Solution

1. Step 1: Write the proportion equation
   112,953.52 : 155,874.38 = 64,554.90 : x
2. Step 2: Convert to fraction form
   112,953.52/155,874.38 = 64,554.90/x
3. Step 3: Cross multiply
   112,953.52x = 155,874.38 × 64,554.90
4. Step 4: Simplify right side
   112,953.52x = 10,062,455,013.46
5. Step 5: Solve for x
   x = 10,062,455,013.46/112,953.52
6. Step 6: Final answer
   x = 89,084.92