Finding the Fourth Proportional to 45,780.54, 63,189.36 and 42,992.52

Step by Step Solution

1. Step 1: Write the proportion equation
   45,780.54 : 63,189.36 = 42,992.52 : x
2. Step 2: Convert to fraction form
   45,780.54/63,189.36 = 42,992.52/x
3. Step 3: Cross multiply
   45,780.54x = 63,189.36 × 42,992.52
4. Step 4: Simplify right side
   45,780.54x = 2,716,669,823.59
5. Step 5: Solve for x
   x = 2,716,669,823.59/45,780.54
6. Step 6: Final answer
   x = 59,341.15