Finding the Fourth Proportional to 191,570.58, 287,368.83 and 73,254.42

Step by Step Solution

1. Step 1: Write the proportion equation
   191,570.58 : 287,368.83 = 73,254.42 : x
2. Step 2: Convert to fraction form
   191,570.58/287,368.83 = 73,254.42/x
3. Step 3: Cross multiply
   191,570.58x = 287,368.83 × 73,254.42
4. Step 4: Simplify right side
   191,570.58x = 21,051,036,967.73
5. Step 5: Solve for x
   x = 21,051,036,967.73/191,570.58
6. Step 6: Final answer
   x = 109,886.59