Finding the Fourth Proportional to 116,983,748.34, 161,446,661.94 and 64,777,641.30

Step by Step Solution

1. Step 1: Write the proportion equation
   116,983,748.34 : 161,446,661.94 = 64,777,641.30 : x
2. Step 2: Convert to fraction form
   116,983,748.34/161,446,661.94 = 64,777,641.30/x
3. Step 3: Cross multiply
   116,983,748.34x = 161,446,661.94 × 64,777,641.30
4. Step 4: Simplify right side
   116,983,748.34x = 10,458,133,956,231,682
5. Step 5: Solve for x
   x = 10,458,133,956,231,682/116,983,748.34
6. Step 6: Final answer
   x = 89,398,177.99