Finding the Fourth Proportional to 99,689.93, 149,491.15 and 37,316.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,689.93 : 149,491.15 = 37,316.69 : x
2. Step 2: Convert to fraction form
   99,689.93/149,491.15 = 37,316.69/x
3. Step 3: Cross multiply
   99,689.93x = 149,491.15 × 37,316.69
4. Step 4: Simplify right side
   99,689.93x = 5,578,514,902.29
5. Step 5: Solve for x
   x = 5,578,514,902.29/99,689.93
6. Step 6: Final answer
   x = 55,958.66