Finding the Fourth Proportional to 45,938.88, 63,362.52 and 42,174

Step by Step Solution

1. Step 1: Write the proportion equation
   45,938.88 : 63,362.52 = 42,174 : x
2. Step 2: Convert to fraction form
   45,938.88/63,362.52 = 42,174/x
3. Step 3: Cross multiply
   45,938.88x = 63,362.52 × 42,174
4. Step 4: Simplify right side
   45,938.88x = 2,672,250,918.48
5. Step 5: Solve for x
   x = 2,672,250,918.48/45,938.88
6. Step 6: Final answer
   x = 58,169.70