Finding the Fourth Proportional to 149,983.72, 224,988.72 and 61,243.36

Step by Step Solution

1. Step 1: Write the proportion equation
   149,983.72 : 224,988.72 = 61,243.36 : x
2. Step 2: Convert to fraction form
   149,983.72/224,988.72 = 61,243.36/x
3. Step 3: Cross multiply
   149,983.72x = 224,988.72 × 61,243.36
4. Step 4: Simplify right side
   149,983.72x = 13,779,065,174.90
5. Step 5: Solve for x
   x = 13,779,065,174.90/149,983.72
6. Step 6: Final answer
   x = 91,870.41