Finding the Fourth Proportional to 61,797, 91,900.54 and 59,828.68

Step by Step Solution

1. Step 1: Write the proportion equation
   61,797 : 91,900.54 = 59,828.68 : x
2. Step 2: Convert to fraction form
   61,797/91,900.54 = 59,828.68/x
3. Step 3: Cross multiply
   61,797x = 91,900.54 × 59,828.68
4. Step 4: Simplify right side
   61,797x = 5,498,287,999.49
5. Step 5: Solve for x
   x = 5,498,287,999.49/61,797
6. Step 6: Final answer
   x = 88,973.38