Finding the Fourth Proportional to 1,908,071.12, 2,862,204.72 and 488,139.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908,071.12 : 2,862,204.72 = 488,139.52 : x
2. Step 2: Convert to fraction form
   1,908,071.12/2,862,204.72 = 488,139.52/x
3. Step 3: Cross multiply
   1,908,071.12x = 2,862,204.72 × 488,139.52
4. Step 4: Simplify right side
   1,908,071.12x = 1,397,155,238,162.53
5. Step 5: Solve for x
   x = 1,397,155,238,162.53/1,908,071.12
6. Step 6: Final answer
   x = 732,234.36