Finding the Fourth Proportional to 58,030.69, 79,560.82 and 56,980.93

Step by Step Solution

1. Step 1: Write the proportion equation
   58,030.69 : 79,560.82 = 56,980.93 : x
2. Step 2: Convert to fraction form
   58,030.69/79,560.82 = 56,980.93/x
3. Step 3: Cross multiply
   58,030.69x = 79,560.82 × 56,980.93
4. Step 4: Simplify right side
   58,030.69x = 4,533,449,515.16
5. Step 5: Solve for x
   x = 4,533,449,515.16/58,030.69
6. Step 6: Final answer
   x = 78,121.59