Finding the Fourth Proportional to 82,428,434.88, 123,646,014.84 and 21,019,186.22

Step by Step Solution

1. Step 1: Write the proportion equation
   82,428,434.88 : 123,646,014.84 = 21,019,186.22 : x
2. Step 2: Convert to fraction form
   82,428,434.88/123,646,014.84 = 21,019,186.22/x
3. Step 3: Cross multiply
   82,428,434.88x = 123,646,014.84 × 21,019,186.22
4. Step 4: Simplify right side
   82,428,434.88x = 2,598,938,610,664,613.50
5. Step 5: Solve for x
   x = 2,598,938,610,664,613.50/82,428,434.88
6. Step 6: Final answer
   x = 31,529,636.76