Finding the Fourth Proportional to 56,111,859.84, 77,487,842.73 and 53,054,910.87

Step by Step Solution

1. Step 1: Write the proportion equation
   56,111,859.84 : 77,487,842.73 = 53,054,910.87 : x
2. Step 2: Convert to fraction form
   56,111,859.84/77,487,842.73 = 53,054,910.87/x
3. Step 3: Cross multiply
   56,111,859.84x = 77,487,842.73 × 53,054,910.87
4. Step 4: Simplify right side
   56,111,859.84x = 4,111,110,589,548,727.50
5. Step 5: Solve for x
   x = 4,111,110,589,548,727.50/56,111,859.84
6. Step 6: Final answer
   x = 73,266,339.79