Finding the Fourth Proportional to 73,926, 102,021.53 and 42,097.86

Step by Step Solution

1. Step 1: Write the proportion equation
   73,926 : 102,021.53 = 42,097.86 : x
2. Step 2: Convert to fraction form
   73,926/102,021.53 = 42,097.86/x
3. Step 3: Cross multiply
   73,926x = 102,021.53 × 42,097.86
4. Step 4: Simplify right side
   73,926x = 4,294,887,876.44
5. Step 5: Solve for x
   x = 4,294,887,876.44/73,926
6. Step 6: Final answer
   x = 58,097.12