Finding the Fourth Proportional to 42,077.50, 63,116.73 and 10,910.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,077.50 : 63,116.73 = 10,910.86 : x
2. Step 2: Convert to fraction form
   42,077.50/63,116.73 = 10,910.86/x
3. Step 3: Cross multiply
   42,077.50x = 63,116.73 × 10,910.86
4. Step 4: Simplify right side
   42,077.50x = 688,657,804.69
5. Step 5: Solve for x
   x = 688,657,804.69/42,077.50
6. Step 6: Final answer
   x = 16,366.41