Finding the Fourth Proportional to 89,070.51, 133,620.29 and 42,307.59

Step by Step Solution

1. Step 1: Write the proportion equation
   89,070.51 : 133,620.29 = 42,307.59 : x
2. Step 2: Convert to fraction form
   89,070.51/133,620.29 = 42,307.59/x
3. Step 3: Cross multiply
   89,070.51x = 133,620.29 × 42,307.59
4. Step 4: Simplify right side
   89,070.51x = 5,653,152,233.46
5. Step 5: Solve for x
   x = 5,653,152,233.46/89,070.51
6. Step 6: Final answer
   x = 63,468.28