Finding the Fourth Proportional to 89,202,858.53, 123,122,572.59 and 60,956,670.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,202,858.53 : 123,122,572.59 = 60,956,670.96 : x
2. Step 2: Convert to fraction form
   89,202,858.53/123,122,572.59 = 60,956,670.96/x
3. Step 3: Cross multiply
   89,202,858.53x = 123,122,572.59 × 60,956,670.96
4. Step 4: Simplify right side
   89,202,858.53x = 7,505,142,145,117,345
5. Step 5: Solve for x
   x = 7,505,142,145,117,345/89,202,858.53
6. Step 6: Final answer
   x = 84,135,668.62