Finding the Fourth Proportional to 101,072,969.23, 139,480,697.43 and 54,663,223.10

Step by Step Solution

1. Step 1: Write the proportion equation
   101,072,969.23 : 139,480,697.43 = 54,663,223.10 : x
2. Step 2: Convert to fraction form
   101,072,969.23/139,480,697.43 = 54,663,223.10/x
3. Step 3: Cross multiply
   101,072,969.23x = 139,480,697.43 × 54,663,223.10
4. Step 4: Simplify right side
   101,072,969.23x = 7,624,464,481,531,997
5. Step 5: Solve for x
   x = 7,624,464,481,531,997/101,072,969.23
6. Step 6: Final answer
   x = 75,435,247.82