Finding the Fourth Proportional to 56,111,858.34, 77,487,840.66 and 53,054,909.37

Step by Step Solution

1. Step 1: Write the proportion equation
   56,111,858.34 : 77,487,840.66 = 53,054,909.37 : x
2. Step 2: Convert to fraction form
   56,111,858.34/77,487,840.66 = 53,054,909.37/x
3. Step 3: Cross multiply
   56,111,858.34x = 77,487,840.66 × 53,054,909.37
4. Step 4: Simplify right side
   56,111,858.34x = 4,111,110,363,493,300.50
5. Step 5: Solve for x
   x = 4,111,110,363,493,300.50/56,111,858.34
6. Step 6: Final answer
   x = 73,266,337.72