Finding the Fourth Proportional to 1,103,426.47, 1,522,773.30 and 619,990.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,426.47 : 1,522,773.30 = 619,990.12 : x
2. Step 2: Convert to fraction form
   1,103,426.47/1,522,773.30 = 619,990.12/x
3. Step 3: Cross multiply
   1,103,426.47x = 1,522,773.30 × 619,990.12
4. Step 4: Simplify right side
   1,103,426.47x = 944,104,400,999.80
5. Step 5: Solve for x
   x = 944,104,400,999.80/1,103,426.47
6. Step 6: Final answer
   x = 855,611.52