Finding the Fourth Proportional to 89,642,756.71, 134,362,131.92 and 54,550,474.46

Step by Step Solution

1. Step 1: Write the proportion equation
   89,642,756.71 : 134,362,131.92 = 54,550,474.46 : x
2. Step 2: Convert to fraction form
   89,642,756.71/134,362,131.92 = 54,550,474.46/x
3. Step 3: Cross multiply
   89,642,756.71x = 134,362,131.92 × 54,550,474.46
4. Step 4: Simplify right side
   89,642,756.71x = 7,329,518,045,456,970
5. Step 5: Solve for x
   x = 7,329,518,045,456,970/89,642,756.71
6. Step 6: Final answer
   x = 81,763,639.52