Finding the Fourth Proportional to 101,267,018.94, 139,748,914.32 and 54,857,272.84

Step by Step Solution

1. Step 1: Write the proportion equation
   101,267,018.94 : 139,748,914.32 = 54,857,272.84 : x
2. Step 2: Convert to fraction form
   101,267,018.94/139,748,914.32 = 54,857,272.84/x
3. Step 3: Cross multiply
   101,267,018.94x = 139,748,914.32 × 54,857,272.84
4. Step 4: Simplify right side
   101,267,018.94x = 7,666,244,321,946,023
5. Step 5: Solve for x
   x = 7,666,244,321,946,023/101,267,018.94
6. Step 6: Final answer
   x = 75,703,268.47