Finding the Fourth Proportional to 191,748.03, 287,635.41 and 58,618.05

Step by Step Solution

1. Step 1: Write the proportion equation
   191,748.03 : 287,635.41 = 58,618.05 : x
2. Step 2: Convert to fraction form
   191,748.03/287,635.41 = 58,618.05/x
3. Step 3: Cross multiply
   191,748.03x = 287,635.41 × 58,618.05
4. Step 4: Simplify right side
   191,748.03x = 16,860,626,845.15
5. Step 5: Solve for x
   x = 16,860,626,845.15/191,748.03
6. Step 6: Final answer
   x = 87,931.16