Finding the Fourth Proportional to 61,799, 91,903.52 and 59,830.68

Step by Step Solution

1. Step 1: Write the proportion equation
   61,799 : 91,903.52 = 59,830.68 : x
2. Step 2: Convert to fraction form
   61,799/91,903.52 = 59,830.68/x
3. Step 3: Cross multiply
   61,799x = 91,903.52 × 59,830.68
4. Step 4: Simplify right side
   61,799x = 5,498,650,095.99
5. Step 5: Solve for x
   x = 5,498,650,095.99/61,799
6. Step 6: Final answer
   x = 88,976.36