Finding the Fourth Proportional to 1,499,111.64, 2,248,824.96 and 488,312.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,111.64 : 2,248,824.96 = 488,312.40 : x
2. Step 2: Convert to fraction form
   1,499,111.64/2,248,824.96 = 488,312.40/x
3. Step 3: Cross multiply
   1,499,111.64x = 2,248,824.96 × 488,312.40
4. Step 4: Simplify right side
   1,499,111.64x = 1,098,129,113,397.50
5. Step 5: Solve for x
   x = 1,098,129,113,397.50/1,499,111.64
6. Step 6: Final answer
   x = 732,519.90