Finding the Fourth Proportional to 45,770.54, 63,130.73 and 42,005.86

Step by Step Solution

1. Step 1: Write the proportion equation
   45,770.54 : 63,130.73 = 42,005.86 : x
2. Step 2: Convert to fraction form
   45,770.54/63,130.73 = 42,005.86/x
3. Step 3: Cross multiply
   45,770.54x = 63,130.73 × 42,005.86
4. Step 4: Simplify right side
   45,770.54x = 2,651,860,238.22
5. Step 5: Solve for x
   x = 2,651,860,238.22/45,770.54
6. Step 6: Final answer
   x = 57,938.15