Finding the Fourth Proportional to 82,991,530.74, 124,493,274.83 and 31,873,549.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,991,530.74 : 124,493,274.83 = 31,873,549.56 : x
2. Step 2: Convert to fraction form
   82,991,530.74/124,493,274.83 = 31,873,549.56/x
3. Step 3: Cross multiply
   82,991,530.74x = 124,493,274.83 × 31,873,549.56
4. Step 4: Simplify right side
   82,991,530.74x = 3,968,042,565,021,338
5. Step 5: Solve for x
   x = 3,968,042,565,021,338/82,991,530.74
6. Step 6: Final answer
   x = 47,812,620.51