Finding the Fourth Proportional to 102,250.77, 153,381.69 and 31,168.01

Step by Step Solution

1. Step 1: Write the proportion equation
   102,250.77 : 153,381.69 = 31,168.01 : x
2. Step 2: Convert to fraction form
   102,250.77/153,381.69 = 31,168.01/x
3. Step 3: Cross multiply
   102,250.77x = 153,381.69 × 31,168.01
4. Step 4: Simplify right side
   102,250.77x = 4,780,601,280.83
5. Step 5: Solve for x
   x = 4,780,601,280.83/102,250.77
6. Step 6: Final answer
   x = 46,753.69