Finding the Fourth Proportional to 56,061.06, 77,369.73 and 41,889.30

Step by Step Solution

1. Step 1: Write the proportion equation
   56,061.06 : 77,369.73 = 41,889.30 : x
2. Step 2: Convert to fraction form
   56,061.06/77,369.73 = 41,889.30/x
3. Step 3: Cross multiply
   56,061.06x = 77,369.73 × 41,889.30
4. Step 4: Simplify right side
   56,061.06x = 3,240,963,830.89
5. Step 5: Solve for x
   x = 3,240,963,830.89/56,061.06
6. Step 6: Final answer
   x = 57,811.32