Finding the Fourth Proportional to 112,702.17, 155,546.07 and 64,303.86

Step by Step Solution

1. Step 1: Write the proportion equation
   112,702.17 : 155,546.07 = 64,303.86 : x
2. Step 2: Convert to fraction form
   112,702.17/155,546.07 = 64,303.86/x
3. Step 3: Cross multiply
   112,702.17x = 155,546.07 × 64,303.86
4. Step 4: Simplify right side
   112,702.17x = 10,002,212,708.83
5. Step 5: Solve for x
   x = 10,002,212,708.83/112,702.17
6. Step 6: Final answer
   x = 88,749.07