Finding the Fourth Proportional to 117,791.34, 162,547.83 and 64,074.30

Step by Step Solution

1. Step 1: Write the proportion equation
   117,791.34 : 162,547.83 = 64,074.30 : x
2. Step 2: Convert to fraction form
   117,791.34/162,547.83 = 64,074.30/x
3. Step 3: Cross multiply
   117,791.34x = 162,547.83 × 64,074.30
4. Step 4: Simplify right side
   117,791.34x = 10,415,138,423.77
5. Step 5: Solve for x
   x = 10,415,138,423.77/117,791.34
6. Step 6: Final answer
   x = 88,420.24