Finding the Fourth Proportional to 1,005,186.06, 1,387,167.50 and 546,300.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,186.06 : 1,387,167.50 = 546,300.61 : x
2. Step 2: Convert to fraction form
   1,005,186.06/1,387,167.50 = 546,300.61/x
3. Step 3: Cross multiply
   1,005,186.06x = 1,387,167.50 × 546,300.61
4. Step 4: Simplify right side
   1,005,186.06x = 757,810,449,320.01
5. Step 5: Solve for x
   x = 757,810,449,320.01/1,005,186.06
6. Step 6: Final answer
   x = 753,900.68