Finding the Fourth Proportional to 61,018.74, 91,531.35 and 19,462.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,018.74 : 91,531.35 = 19,462.50 : x
2. Step 2: Convert to fraction form
   61,018.74/91,531.35 = 19,462.50/x
3. Step 3: Cross multiply
   61,018.74x = 91,531.35 × 19,462.50
4. Step 4: Simplify right side
   61,018.74x = 1,781,428,899.38
5. Step 5: Solve for x
   x = 1,781,428,899.38/61,018.74
6. Step 6: Final answer
   x = 29,194.78