Finding the Fourth Proportional to 99,005,061.16, 136,624,925.46 and 54,949,475.44

Step by Step Solution

1. Step 1: Write the proportion equation
   99,005,061.16 : 136,624,925.46 = 54,949,475.44 : x
2. Step 2: Convert to fraction form
   99,005,061.16/136,624,925.46 = 54,949,475.44/x
3. Step 3: Cross multiply
   99,005,061.16x = 136,624,925.46 × 54,949,475.44
4. Step 4: Simplify right side
   99,005,061.16x = 7,507,467,986,056,101
5. Step 5: Solve for x
   x = 7,507,467,986,056,101/99,005,061.16
6. Step 6: Final answer
   x = 75,829,133.36