Finding the Fourth Proportional to 153,603, 230,443.38 and 42,795

Step by Step Solution

1. Step 1: Write the proportion equation
   153,603 : 230,443.38 = 42,795 : x
2. Step 2: Convert to fraction form
   153,603/230,443.38 = 42,795/x
3. Step 3: Cross multiply
   153,603x = 230,443.38 × 42,795
4. Step 4: Simplify right side
   153,603x = 9,861,824,447.10
5. Step 5: Solve for x
   x = 9,861,824,447.10/153,603
6. Step 6: Final answer
   x = 64,203.33