Finding the Fourth Proportional to 110,636,571.30, 165,905,090.55 and 42,456,603.30

Step by Step Solution

1. Step 1: Write the proportion equation
   110,636,571.30 : 165,905,090.55 = 42,456,603.30 : x
2. Step 2: Convert to fraction form
   110,636,571.30/165,905,090.55 = 42,456,603.30/x
3. Step 3: Cross multiply
   110,636,571.30x = 165,905,090.55 × 42,456,603.30
4. Step 4: Simplify right side
   110,636,571.30x = 7,043,766,614,931,929
5. Step 5: Solve for x
   x = 7,043,766,614,931,929/110,636,571.30
6. Step 6: Final answer
   x = 63,665,807.18