Finding the Fourth Proportional to 191,499.76, 287,292.72 and 58,393.48

Step by Step Solution

1. Step 1: Write the proportion equation
   191,499.76 : 287,292.72 = 58,393.48 : x
2. Step 2: Convert to fraction form
   191,499.76/287,292.72 = 58,393.48/x
3. Step 3: Cross multiply
   191,499.76x = 287,292.72 × 58,393.48
4. Step 4: Simplify right side
   191,499.76x = 16,776,021,699.47
5. Step 5: Solve for x
   x = 16,776,021,699.47/191,499.76
6. Step 6: Final answer
   x = 87,603.36