Finding the Fourth Proportional to 185,905,651.72, 278,848,386.18 and 56,503,172.82

Step by Step Solution

1. Step 1: Write the proportion equation
   185,905,651.72 : 278,848,386.18 = 56,503,172.82 : x
2. Step 2: Convert to fraction form
   185,905,651.72/278,848,386.18 = 56,503,172.82/x
3. Step 3: Cross multiply
   185,905,651.72x = 278,848,386.18 × 56,503,172.82
4. Step 4: Simplify right side
   185,905,651.72x = 15,755,818,554,906,640
5. Step 5: Solve for x
   x = 15,755,818,554,906,640/185,905,651.72
6. Step 6: Final answer
   x = 84,751,692.10