Finding the Fourth Proportional to 102,303.98, 141,141.27 and 102,146.30

Step by Step Solution

1. Step 1: Write the proportion equation
   102,303.98 : 141,141.27 = 102,146.30 : x
2. Step 2: Convert to fraction form
   102,303.98/141,141.27 = 102,146.30/x
3. Step 3: Cross multiply
   102,303.98x = 141,141.27 × 102,146.30
4. Step 4: Simplify right side
   102,303.98x = 14,417,058,507.80
5. Step 5: Solve for x
   x = 14,417,058,507.80/102,303.98
6. Step 6: Final answer
   x = 140,923.73