Finding the Fourth Proportional to 342,716.18, 514,061.46 and 89,994.38

Step by Step Solution

1. Step 1: Write the proportion equation
   342,716.18 : 514,061.46 = 89,994.38 : x
2. Step 2: Convert to fraction form
   342,716.18/514,061.46 = 89,994.38/x
3. Step 3: Cross multiply
   342,716.18x = 514,061.46 × 89,994.38
4. Step 4: Simplify right side
   342,716.18x = 46,262,642,374.59
5. Step 5: Solve for x
   x = 46,262,642,374.59/342,716.18
6. Step 6: Final answer
   x = 134,988.21