Finding the Fourth Proportional to 59,876,493.45, 89,814,141.43 and 18,935,939.57

Step by Step Solution

1. Step 1: Write the proportion equation
   59,876,493.45 : 89,814,141.43 = 18,935,939.57 : x
2. Step 2: Convert to fraction form
   59,876,493.45/89,814,141.43 = 18,935,939.57/x
3. Step 3: Cross multiply
   59,876,493.45x = 89,814,141.43 × 18,935,939.57
4. Step 4: Simplify right side
   59,876,493.45x = 1,700,715,154,106,163
5. Step 5: Solve for x
   x = 1,700,715,154,106,163/59,876,493.45
6. Step 6: Final answer
   x = 28,403,719.99