Finding the Fourth Proportional to 89,196,352.66, 123,143,738.61 and 56,184,898.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,196,352.66 : 123,143,738.61 = 56,184,898.42 : x
2. Step 2: Convert to fraction form
   89,196,352.66/123,143,738.61 = 56,184,898.42/x
3. Step 3: Cross multiply
   89,196,352.66x = 123,143,738.61 × 56,184,898.42
4. Step 4: Simplify right side
   89,196,352.66x = 6,918,818,444,861,882
5. Step 5: Solve for x
   x = 6,918,818,444,861,882/89,196,352.66
6. Step 6: Final answer
   x = 77,568,400.93