Finding the Fourth Proportional to 102,229.63, 153,482.72 and 70,560.95

Step by Step Solution

1. Step 1: Write the proportion equation
   102,229.63 : 153,482.72 = 70,560.95 : x
2. Step 2: Convert to fraction form
   102,229.63/153,482.72 = 70,560.95/x
3. Step 3: Cross multiply
   102,229.63x = 153,482.72 × 70,560.95
4. Step 4: Simplify right side
   102,229.63x = 10,829,887,091.89
5. Step 5: Solve for x
   x = 10,829,887,091.89/102,229.63
6. Step 6: Final answer
   x = 105,936.87