Finding the Fourth Proportional to 145,116,342.72, 217,673,163 and 58,834,240.38

Step by Step Solution

1. Step 1: Write the proportion equation
   145,116,342.72 : 217,673,163 = 58,834,240.38 : x
2. Step 2: Convert to fraction form
   145,116,342.72/217,673,163 = 58,834,240.38/x
3. Step 3: Cross multiply
   145,116,342.72x = 217,673,163 × 58,834,240.38
4. Step 4: Simplify right side
   145,116,342.72x = 12,806,635,196,216,922
5. Step 5: Solve for x
   x = 12,806,635,196,216,922/145,116,342.72
6. Step 6: Final answer
   x = 88,250,812.80