Finding the Fourth Proportional to 85,399,381.74, 117,848,978.55 and 47,722,868.94

Step by Step Solution

1. Step 1: Write the proportion equation
   85,399,381.74 : 117,848,978.55 = 47,722,868.94 : x
2. Step 2: Convert to fraction form
   85,399,381.74/117,848,978.55 = 47,722,868.94/x
3. Step 3: Cross multiply
   85,399,381.74x = 117,848,978.55 × 47,722,868.94
4. Step 4: Simplify right side
   85,399,381.74x = 5,624,091,358,054,521
5. Step 5: Solve for x
   x = 5,624,091,358,054,521/85,399,381.74
6. Step 6: Final answer
   x = 65,856,347.48