Finding the Fourth Proportional to 102,300.16, 153,451.88 and 31,224.32

Step by Step Solution

1. Step 1: Write the proportion equation
   102,300.16 : 153,451.88 = 31,224.32 : x
2. Step 2: Convert to fraction form
   102,300.16/153,451.88 = 31,224.32/x
3. Step 3: Cross multiply
   102,300.16x = 153,451.88 × 31,224.32
4. Step 4: Simplify right side
   102,300.16x = 4,791,430,605.72
5. Step 5: Solve for x
   x = 4,791,430,605.72/102,300.16
6. Step 6: Final answer
   x = 46,836.98