Finding the Fourth Proportional to 1,142,724.42, 1,576,925.55 and 626,460.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,724.42 : 1,576,925.55 = 626,460.66 : x
2. Step 2: Convert to fraction form
   1,142,724.42/1,576,925.55 = 626,460.66/x
3. Step 3: Cross multiply
   1,142,724.42x = 1,576,925.55 × 626,460.66
4. Step 4: Simplify right side
   1,142,724.42x = 987,881,820,823.86
5. Step 5: Solve for x
   x = 987,881,820,823.86/1,142,724.42
6. Step 6: Final answer
   x = 864,496.99