Finding the Fourth Proportional to 82,991,562.69, 124,493,322.80 and 31,873,581.51

Step by Step Solution

1. Step 1: Write the proportion equation
   82,991,562.69 : 124,493,322.80 = 31,873,581.51 : x
2. Step 2: Convert to fraction form
   82,991,562.69/124,493,322.80 = 31,873,581.51/x
3. Step 3: Cross multiply
   82,991,562.69x = 124,493,322.80 × 31,873,581.51
4. Step 4: Simplify right side
   82,991,562.69x = 3,968,048,071,329,375.50
5. Step 5: Solve for x
   x = 3,968,048,071,329,375.50/82,991,562.69
6. Step 6: Final answer
   x = 47,812,668.45