Finding the Fourth Proportional to 70,736.30, 97,583.37 and 42,392.78

Step by Step Solution

1. Step 1: Write the proportion equation
   70,736.30 : 97,583.37 = 42,392.78 : x
2. Step 2: Convert to fraction form
   70,736.30/97,583.37 = 42,392.78/x
3. Step 3: Cross multiply
   70,736.30x = 97,583.37 × 42,392.78
4. Step 4: Simplify right side
   70,736.30x = 4,136,830,336.07
5. Step 5: Solve for x
   x = 4,136,830,336.07/70,736.30
6. Step 6: Final answer
   x = 58,482.42