Finding the Fourth Proportional to 111,414,926.28, 166,731,402.42 and 89,501,459.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,414,926.28 : 166,731,402.42 = 89,501,459.25 : x
2. Step 2: Convert to fraction form
   111,414,926.28/166,731,402.42 = 89,501,459.25/x
3. Step 3: Cross multiply
   111,414,926.28x = 166,731,402.42 × 89,501,459.25
4. Step 4: Simplify right side
   111,414,926.28x = 14,922,703,819,388,980
5. Step 5: Solve for x
   x = 14,922,703,819,388,980/111,414,926.28
6. Step 6: Final answer
   x = 133,938,102.53