Finding the Fourth Proportional to 85,146.72, 127,718.70 and 29,025.93

Step by Step Solution

1. Step 1: Write the proportion equation
   85,146.72 : 127,718.70 = 29,025.93 : x
2. Step 2: Convert to fraction form
   85,146.72/127,718.70 = 29,025.93/x
3. Step 3: Cross multiply
   85,146.72x = 127,718.70 × 29,025.93
4. Step 4: Simplify right side
   85,146.72x = 3,707,154,045.89
5. Step 5: Solve for x
   x = 3,707,154,045.89/85,146.72
6. Step 6: Final answer
   x = 43,538.42