Finding the Fourth Proportional to 191,415.06, 287,100.72 and 51,184.62

Step by Step Solution

1. Step 1: Write the proportion equation
   191,415.06 : 287,100.72 = 51,184.62 : x
2. Step 2: Convert to fraction form
   191,415.06/287,100.72 = 51,184.62/x
3. Step 3: Cross multiply
   191,415.06x = 287,100.72 × 51,184.62
4. Step 4: Simplify right side
   191,415.06x = 14,695,141,254.93
5. Step 5: Solve for x
   x = 14,695,141,254.93/191,415.06
6. Step 6: Final answer
   x = 76,771.08