Finding the Fourth Proportional to 191,908,698.87, 287,863,887.57 and 60,751,614.76

Step by Step Solution

1. Step 1: Write the proportion equation
   191,908,698.87 : 287,863,887.57 = 60,751,614.76 : x
2. Step 2: Convert to fraction form
   191,908,698.87/287,863,887.57 = 60,751,614.76/x
3. Step 3: Cross multiply
   191,908,698.87x = 287,863,887.57 × 60,751,614.76
4. Step 4: Simplify right side
   191,908,698.87x = 17,488,196,000,968,592
5. Step 5: Solve for x
   x = 17,488,196,000,968,592/191,908,698.87
6. Step 6: Final answer
   x = 91,127,687.82