Finding the Fourth Proportional to 77,598, 107,085.24 and 42,270

Step by Step Solution

1. Step 1: Write the proportion equation
   77,598 : 107,085.24 = 42,270 : x
2. Step 2: Convert to fraction form
   77,598/107,085.24 = 42,270/x
3. Step 3: Cross multiply
   77,598x = 107,085.24 × 42,270
4. Step 4: Simplify right side
   77,598x = 4,526,493,094.80
5. Step 5: Solve for x
   x = 4,526,493,094.80/77,598
6. Step 6: Final answer
   x = 58,332.60