Finding the Fourth Proportional to 103,066.10, 144,499.90 and 103,066.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,066.10 : 144,499.90 = 103,066.10 : x
2. Step 2: Convert to fraction form
   103,066.10/144,499.90 = 103,066.10/x
3. Step 3: Cross multiply
   103,066.10x = 144,499.90 × 103,066.10
4. Step 4: Simplify right side
   103,066.10x = 14,893,041,143.39
5. Step 5: Solve for x
   x = 14,893,041,143.39/103,066.10
6. Step 6: Final answer
   x = 144,499.90