Finding the Fourth Proportional to 102,196.98, 153,314.01 and 42,225.57

Step by Step Solution

1. Step 1: Write the proportion equation
   102,196.98 : 153,314.01 = 42,225.57 : x
2. Step 2: Convert to fraction form
   102,196.98/153,314.01 = 42,225.57/x
3. Step 3: Cross multiply
   102,196.98x = 153,314.01 × 42,225.57
4. Step 4: Simplify right side
   102,196.98x = 6,473,771,461.24
5. Step 5: Solve for x
   x = 6,473,771,461.24/102,196.98
6. Step 6: Final answer
   x = 63,346.02