Finding the Fourth Proportional to 53,051.15, 79,552.10 and 30,870.89

Step by Step Solution

1. Step 1: Write the proportion equation
   53,051.15 : 79,552.10 = 30,870.89 : x
2. Step 2: Convert to fraction form
   53,051.15/79,552.10 = 30,870.89/x
3. Step 3: Cross multiply
   53,051.15x = 79,552.10 × 30,870.89
4. Step 4: Simplify right side
   53,051.15x = 2,455,843,576.25
5. Step 5: Solve for x
   x = 2,455,843,576.25/53,051.15
6. Step 6: Final answer
   x = 46,292.00