Finding the Fourth Proportional to 1,190,401.74, 1,642,498.83 and 707,129.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,190,401.74 : 1,642,498.83 = 707,129.82 : x
2. Step 2: Convert to fraction form
   1,190,401.74/1,642,498.83 = 707,129.82/x
3. Step 3: Cross multiply
   1,190,401.74x = 1,642,498.83 × 707,129.82
4. Step 4: Simplify right side
   1,190,401.74x = 1,161,459,902,008.11
5. Step 5: Solve for x
   x = 1,161,459,902,008.11/1,190,401.74
6. Step 6: Final answer
   x = 975,687.34