Finding the Fourth Proportional to 2,545,287, 3,817,953.54 and 772,359

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,287 : 3,817,953.54 = 772,359 : x
2. Step 2: Convert to fraction form
   2,545,287/3,817,953.54 = 772,359/x
3. Step 3: Cross multiply
   2,545,287x = 3,817,953.54 × 772,359
4. Step 4: Simplify right side
   2,545,287x = 2,948,830,778,200.86
5. Step 5: Solve for x
   x = 2,948,830,778,200.86/2,545,287
6. Step 6: Final answer
   x = 1,158,545.49