Finding the Fourth Proportional to 81,333,213.48, 112,211,776.59 and 51,981,727.05

Step by Step Solution

1. Step 1: Write the proportion equation
   81,333,213.48 : 112,211,776.59 = 51,981,727.05 : x
2. Step 2: Convert to fraction form
   81,333,213.48/112,211,776.59 = 51,981,727.05/x
3. Step 3: Cross multiply
   81,333,213.48x = 112,211,776.59 × 51,981,727.05
4. Step 4: Simplify right side
   81,333,213.48x = 5,832,961,942,302,028
5. Step 5: Solve for x
   x = 5,832,961,942,302,028/81,333,213.48
6. Step 6: Final answer
   x = 71,716,850.87