Finding the Fourth Proportional to 1,422,557.42, 2,134,957.86 and 624,389.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,557.42 : 2,134,957.86 = 624,389.90 : x
2. Step 2: Convert to fraction form
   1,422,557.42/2,134,957.86 = 624,389.90/x
3. Step 3: Cross multiply
   1,422,557.42x = 2,134,957.86 × 624,389.90
4. Step 4: Simplify right side
   1,422,557.42x = 1,333,046,114,034.82
5. Step 5: Solve for x
   x = 1,333,046,114,034.82/1,422,557.42
6. Step 6: Final answer
   x = 937,077.20