Finding the Fourth Proportional to 1,161,444.93, 1,742,081.28 and 487,499.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,161,444.93 : 1,742,081.28 = 487,499.01 : x
2. Step 2: Convert to fraction form
   1,161,444.93/1,742,081.28 = 487,499.01/x
3. Step 3: Cross multiply
   1,161,444.93x = 1,742,081.28 × 487,499.01
4. Step 4: Simplify right side
   1,161,444.93x = 849,262,890,978.61
5. Step 5: Solve for x
   x = 849,262,890,978.61/1,161,444.93
6. Step 6: Final answer
   x = 731,212.36