Finding the Fourth Proportional to 52,086,164.99, 78,121,642.28 and 15,188,139.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,086,164.99 : 78,121,642.28 = 15,188,139.81 : x
2. Step 2: Convert to fraction form
   52,086,164.99/78,121,642.28 = 15,188,139.81/x
3. Step 3: Cross multiply
   52,086,164.99x = 78,121,642.28 × 15,188,139.81
4. Step 4: Simplify right side
   52,086,164.99x = 1,186,522,425,059,506.50
5. Step 5: Solve for x
   x = 1,186,522,425,059,506.50/52,086,164.99
6. Step 6: Final answer
   x = 22,779,992.07