Finding the Fourth Proportional to 31,120,473.98, 42,946,313.53 and 17,181,856.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,120,473.98 : 42,946,313.53 = 17,181,856.05 : x
2. Step 2: Convert to fraction form
   31,120,473.98/42,946,313.53 = 17,181,856.05/x
3. Step 3: Cross multiply
   31,120,473.98x = 42,946,313.53 × 17,181,856.05
4. Step 4: Simplify right side
   31,120,473.98x = 737,897,377,092,888.38
5. Step 5: Solve for x
   x = 737,897,377,092,888.38/31,120,473.98
6. Step 6: Final answer
   x = 23,710,994.17