Finding the Fourth Proportional to 89,541,456.89, 134,096,947.47 and 51,086,386.13

Step by Step Solution

1. Step 1: Write the proportion equation
   89,541,456.89 : 134,096,947.47 = 51,086,386.13 : x
2. Step 2: Convert to fraction form
   89,541,456.89/134,096,947.47 = 51,086,386.13/x
3. Step 3: Cross multiply
   89,541,456.89x = 134,096,947.47 × 51,086,386.13
4. Step 4: Simplify right side
   89,541,456.89x = 6,850,528,436,636,262
5. Step 5: Solve for x
   x = 6,850,528,436,636,262/89,541,456.89
6. Step 6: Final answer
   x = 76,506,778.81