Finding the Fourth Proportional to 66,079.98, 91,164.42 and 37,770.48

Step by Step Solution

1. Step 1: Write the proportion equation
   66,079.98 : 91,164.42 = 37,770.48 : x
2. Step 2: Convert to fraction form
   66,079.98/91,164.42 = 37,770.48/x
3. Step 3: Cross multiply
   66,079.98x = 91,164.42 × 37,770.48
4. Step 4: Simplify right side
   66,079.98x = 3,443,323,902.32
5. Step 5: Solve for x
   x = 3,443,323,902.32/66,079.98
6. Step 6: Final answer
   x = 52,108.43