Finding the Fourth Proportional to 110,128.41, 165,140.30 and 42,692.00

Step by Step Solution

1. Step 1: Write the proportion equation
   110,128.41 : 165,140.30 = 42,692.00 : x
2. Step 2: Convert to fraction form
   110,128.41/165,140.30 = 42,692.00/x
3. Step 3: Cross multiply
   110,128.41x = 165,140.30 × 42,692.00
4. Step 4: Simplify right side
   110,128.41x = 7,050,168,968.63
5. Step 5: Solve for x
   x = 7,050,168,968.63/110,128.41
6. Step 6: Final answer
   x = 64,017.71