Finding the Fourth Proportional to 70,098.96, 105,085.86 and 25,715.32

Step by Step Solution

1. Step 1: Write the proportion equation
   70,098.96 : 105,085.86 = 25,715.32 : x
2. Step 2: Convert to fraction form
   70,098.96/105,085.86 = 25,715.32/x
3. Step 3: Cross multiply
   70,098.96x = 105,085.86 × 25,715.32
4. Step 4: Simplify right side
   70,098.96x = 2,702,316,517.38
5. Step 5: Solve for x
   x = 2,702,316,517.38/70,098.96
6. Step 6: Final answer
   x = 38,550.02