Finding the Fourth Proportional to 101,072,969.98, 139,480,698.47 and 54,663,223.85

Step by Step Solution

1. Step 1: Write the proportion equation
   101,072,969.98 : 139,480,698.47 = 54,663,223.85 : x
2. Step 2: Convert to fraction form
   101,072,969.98/139,480,698.47 = 54,663,223.85/x
3. Step 3: Cross multiply
   101,072,969.98x = 139,480,698.47 × 54,663,223.85
4. Step 4: Simplify right side
   101,072,969.98x = 7,624,464,642,249,243
5. Step 5: Solve for x
   x = 7,624,464,642,249,243/101,072,969.98
6. Step 6: Final answer
   x = 75,435,248.85