Finding the Fourth Proportional to 61,087.72, 84,300.05 and 34,230.16

Step by Step Solution

1. Step 1: Write the proportion equation
   61,087.72 : 84,300.05 = 34,230.16 : x
2. Step 2: Convert to fraction form
   61,087.72/84,300.05 = 34,230.16/x
3. Step 3: Cross multiply
   61,087.72x = 84,300.05 × 34,230.16
4. Step 4: Simplify right side
   61,087.72x = 2,885,604,199.51
5. Step 5: Solve for x
   x = 2,885,604,199.51/61,087.72
6. Step 6: Final answer
   x = 47,237.06