Finding the Fourth Proportional to 111,116,355.58, 153,326,029.06 and 64,075,166.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,116,355.58 : 153,326,029.06 = 64,075,166.50 : x
2. Step 2: Convert to fraction form
   111,116,355.58/153,326,029.06 = 64,075,166.50/x
3. Step 3: Cross multiply
   111,116,355.58x = 153,326,029.06 × 64,075,166.50
4. Step 4: Simplify right side
   111,116,355.58x = 9,824,390,840,803,338
5. Step 5: Solve for x
   x = 9,824,390,840,803,338/111,116,355.58
6. Step 6: Final answer
   x = 88,415,344.34