Finding the Fourth Proportional to 56,061.56, 77,370.42 and 41,889.80

Step by Step Solution

1. Step 1: Write the proportion equation
   56,061.56 : 77,370.42 = 41,889.80 : x
2. Step 2: Convert to fraction form
   56,061.56/77,370.42 = 41,889.80/x
3. Step 3: Cross multiply
   56,061.56x = 77,370.42 × 41,889.80
4. Step 4: Simplify right side
   56,061.56x = 3,241,031,419.72
5. Step 5: Solve for x
   x = 3,241,031,419.72/56,061.56
6. Step 6: Final answer
   x = 57,812.01