Finding the Fourth Proportional to 514,902.30, 772,341.30 and 140,925.30

Step by Step Solution

1. Step 1: Write the proportion equation
   514,902.30 : 772,341.30 = 140,925.30 : x
2. Step 2: Convert to fraction form
   514,902.30/772,341.30 = 140,925.30/x
3. Step 3: Cross multiply
   514,902.30x = 772,341.30 × 140,925.30
4. Step 4: Simplify right side
   514,902.30x = 108,842,429,404.89
5. Step 5: Solve for x
   x = 108,842,429,404.89/514,902.30
6. Step 6: Final answer
   x = 211,384.62