Finding the Fourth Proportional to 1,012,541.84, 1,518,062.88 and 613,088.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,541.84 : 1,518,062.88 = 613,088.72 : x
2. Step 2: Convert to fraction form
   1,012,541.84/1,518,062.88 = 613,088.72/x
3. Step 3: Cross multiply
   1,012,541.84x = 1,518,062.88 × 613,088.72
4. Step 4: Simplify right side
   1,012,541.84x = 930,707,227,978.71
5. Step 5: Solve for x
   x = 930,707,227,978.71/1,012,541.84
6. Step 6: Final answer
   x = 919,179.03