Finding the Fourth Proportional to 101,073,180.21, 139,480,987.59 and 54,663,434.12

Step by Step Solution

1. Step 1: Write the proportion equation
   101,073,180.21 : 139,480,987.59 = 54,663,434.12 : x
2. Step 2: Convert to fraction form
   101,073,180.21/139,480,987.59 = 54,663,434.12/x
3. Step 3: Cross multiply
   101,073,180.21x = 139,480,987.59 × 54,663,434.12
4. Step 4: Simplify right side
   101,073,180.21x = 7,624,509,775,421,098
5. Step 5: Solve for x
   x = 7,624,509,775,421,098/101,073,180.21
6. Step 6: Final answer
   x = 75,435,538.48