Finding the Fourth Proportional to 89,372,010.10, 123,388,398.02 and 70,861,920.07

Step by Step Solution

1. Step 1: Write the proportion equation
   89,372,010.10 : 123,388,398.02 = 70,861,920.07 : x
2. Step 2: Convert to fraction form
   89,372,010.10/123,388,398.02 = 70,861,920.07/x
3. Step 3: Cross multiply
   89,372,010.10x = 123,388,398.02 × 70,861,920.07
4. Step 4: Simplify right side
   89,372,010.10x = 8,743,538,798,058,585
5. Step 5: Solve for x
   x = 8,743,538,798,058,585/89,372,010.10
6. Step 6: Final answer
   x = 97,833,077.59